Home / 312,391.54-468,583.17-75,736.36

Finding the Fourth Proportional to 312,391.54, 468,583.17 and 75,736.36

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Solution

The fourth proportional to 312,391.54, 468,583.17 and 75,736.36 is: 113,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,391.54 : 468,583.17 = 75,736.36 : x
  2. Step 2: Convert to fraction form
    312,391.54/468,583.17 = 75,736.36/x
  3. Step 3: Cross multiply
    312,391.54x = 468,583.17 × 75,736.36
  4. Step 4: Simplify right side
    312,391.54x = 35,488,783,653.06
  5. Step 5: Solve for x
    x = 35,488,783,653.06/312,391.54
  6. Step 6: Final answer
    x = 113,603.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.